Home / 3,520.14-5,279.45-1,054.31

Finding the Fourth Proportional to 3,520.14, 5,279.45 and 1,054.31

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Solution

The fourth proportional to 3,520.14, 5,279.45 and 1,054.31 is: 1,581.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.14 : 5,279.45 = 1,054.31 : x
  2. Step 2: Convert to fraction form
    3,520.14/5,279.45 = 1,054.31/x
  3. Step 3: Cross multiply
    3,520.14x = 5,279.45 × 1,054.31
  4. Step 4: Simplify right side
    3,520.14x = 5,566,145.26
  5. Step 5: Solve for x
    x = 5,566,145.26/3,520.14
  6. Step 6: Final answer
    x = 1,581.23

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.